Add a zygote 64/32 bit config.

64 bit zygote is the "primary" and the system server is run
as a 64 bit process.

(cherry picked from commit 7cdbbcabda9906910548954f0a35cdea366ef467)

Change-Id: I56363e08b546dead14c2ee46b0069235cc4597e8
1 file changed